From 16f293d67eace501c98494976030f4319778ebf5 Mon Sep 17 00:00:00 2001
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From: Merlin Mathesius <mmathesi@redhat.com>
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Date: Wed, 13 May 2020 08:02:27 -0500
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Subject: [PATCH] Workaround multiple definition of symbol errors
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[From https://src.fedoraproject.org/rpms/syslinux/raw/rawhide/f/0005-Workaround-multiple-definition-of-symbol-errors.patch
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plus adding '-z muldefs' for gpxe]
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Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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---
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com32/cmenu/Makefile | 2 +-
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com32/elflink/ldlinux/Makefile | 2 +-
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com32/gpllib/Makefile | 2 +-
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com32/hdt/Makefile | 2 +-
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core/Makefile | 2 +-
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dos/Makefile | 2 +-
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efi/Makefile | 2 +-
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gpxe/src/arch/i386/Makefile | 2 +-
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8 files changed, 8 insertions(+), 8 deletions(-)
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diff --git a/com32/cmenu/Makefile b/com32/cmenu/Makefile
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index 6bb52316..66cdd649 100644
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--- a/com32/cmenu/Makefile
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+++ b/com32/cmenu/Makefile
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@@ -49,7 +49,7 @@ makeoutputdirs:
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@mkdir -p $(OBJ)/libmenu
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libmenu/libmenu.elf: $(LIBMENU)
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- $(LD) -shared $(LDFLAGS) -soname $(patsubst %.elf,%.c32,$(@F)) \
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+ $(LD) -shared $(LDFLAGS) -z muldefs -soname $(patsubst %.elf,%.c32,$(@F)) \
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-o $@ $^
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tidy dist:
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diff --git a/com32/elflink/ldlinux/Makefile b/com32/elflink/ldlinux/Makefile
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index d948da43..67434a1f 100644
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--- a/com32/elflink/ldlinux/Makefile
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+++ b/com32/elflink/ldlinux/Makefile
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@@ -33,7 +33,7 @@ endif
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all: $(BTARGET) ldlinux_lnx.a
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ldlinux.elf : $(OBJS)
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- $(LD) $(LDFLAGS) -soname $(SONAME) -o $@ $^ $(LIBS)
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+ $(LD) $(LDFLAGS) -z muldefs -soname $(SONAME) -o $@ $^ $(LIBS)
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LNXCFLAGS += -D__export='__attribute__((visibility("default")))'
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LNXLIBOBJS = get_key.lo
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diff --git a/com32/gpllib/Makefile b/com32/gpllib/Makefile
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index e3e30d76..17520a1e 100644
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--- a/com32/gpllib/Makefile
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+++ b/com32/gpllib/Makefile
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@@ -24,7 +24,7 @@ makeoutputdirs:
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$(addprefix $(OBJ),$(sort $(dir $(LIBOBJS)))),$(b))
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libgpl.elf : $(LIBOBJS)
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- $(LD) -shared $(LDFLAGS) -soname $(patsubst %.elf,%.c32,$(@F)) -o $@ $^
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+ $(LD) -shared $(LDFLAGS) -z muldefs -soname $(patsubst %.elf,%.c32,$(@F)) -o $@ $^
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tidy dist clean:
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find . \( -name \*.o -o -name .\*.d -o -name \*.tmp \) -print0 | \
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diff --git a/com32/hdt/Makefile b/com32/hdt/Makefile
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index 80f2d0a0..8509cd96 100644
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--- a/com32/hdt/Makefile
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+++ b/com32/hdt/Makefile
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@@ -52,7 +52,7 @@ QEMU ?= qemu-kvm
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all: $(MODULES) $(TESTFILES)
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hdt.elf : $(OBJS) $(LIBS) $(C_LIBS)
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- $(LD) $(LDFLAGS) -o $@ $^
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+ $(LD) $(LDFLAGS) -z muldefs -o $@ $^
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memtest:
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-[ ! -f $(FLOPPY_DIR)/$(MEMTEST) ] && $(WGET) $(MEMTEST_URL) -O $(FLOPPY_DIR)/$(MEMTEST)
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diff --git a/core/Makefile b/core/Makefile
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index ad0acb5a..3bee4dc9 100644
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--- a/core/Makefile
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+++ b/core/Makefile
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@@ -164,7 +164,7 @@ AUXLIBS = libisolinux.a libisolinux-debug.a libldlinux.a \
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LDSCRIPT = $(SRC)/$(ARCH)/syslinux.ld
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%.elf: %.o $(LIBDEP) $(LDSCRIPT) $(AUXLIBS)
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- $(LD) $(LDFLAGS) -Bsymbolic $(LD_PIE) -E --hash-style=gnu -T $(LDSCRIPT) -M -o $@ $< \
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+ $(LD) $(LDFLAGS) -z muldefs -Bsymbolic $(LD_PIE) -E --hash-style=gnu -T $(LDSCRIPT) -M -o $@ $< \
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--start-group $(LIBS) $(subst $(*F).elf,lib$(*F).a,$@) --end-group \
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> $(@:.elf=.map)
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$(OBJDUMP) -h $@ > $(@:.elf=.sec)
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diff --git a/dos/Makefile b/dos/Makefile
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index b9c337d5..2af87346 100644
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--- a/dos/Makefile
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+++ b/dos/Makefile
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@@ -19,7 +19,7 @@ include $(MAKEDIR)/embedded.mk
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CFLAGS += -D__MSDOS__ -mregparm=3 -DREGPARM=3
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# CFLAGS += -DDEBUG
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-LDFLAGS = -T $(SRC)/dosexe.ld
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+LDFLAGS = -T $(SRC)/dosexe.ld -z muldefs
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OPTFLAGS = -g
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INCLUDES = -include code16.h -nostdinc -iwithprefix include \
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-I$(SRC) -I$(SRC)/.. -I$(SRC)/../libfat \
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diff --git a/efi/Makefile b/efi/Makefile
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index d24d16db..7c714ebf 100644
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--- a/efi/Makefile
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+++ b/efi/Makefile
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@@ -70,7 +70,7 @@ $(OBJS): subdirs
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BTARGET = syslinux.efi
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syslinux.so: $(OBJS) $(CORE_OBJS) $(LIB_OBJS)
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- $(LD) $(LDFLAGS) --strip-debug -o $@ $^ -lgnuefi -lefi
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+ $(LD) $(LDFLAGS) -z muldefs --strip-debug -o $@ $^ -lgnuefi -lefi
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# We need to rename the .hash section because the EFI firmware
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# linker really doesn't like it.
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diff --git a/gpxe/src/arch/i386/Makefile b/gpxe/src/arch/i386/Makefile
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index dd8da802..be1d00ff 100644
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--- a/gpxe/src/arch/i386/Makefile
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+++ b/gpxe/src/arch/i386/Makefile
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@@ -55,7 +55,7 @@ ASFLAGS += --32
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ifeq ($(HOST_OS),FreeBSD)
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LDFLAGS += -m elf_i386_fbsd
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else
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-LDFLAGS += -m elf_i386
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+LDFLAGS += -z muldefs -m elf_i386
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endif
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# EFI requires -fshort-wchar, and nothing else currently uses wchar_t
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--
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2.30.1
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